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Overview

overview

10

Static

static

3

8f20d9f75e...be.exe

windows7-x64

10

8f20d9f75e...be.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8f20d9f75e09b7e8a047f743acca719154dcaf8cadfcbc478144fbea111cb7be

  • Size

    1.2MB

  • Sample

    241015-cbrl3asbmm

  • MD5

    de74528baa061dd8d2137b890a3b0faa

  • SHA1

    49f1bb45f3f0aced708cfaf9b5fd83c188032d23

  • SHA256

    8f20d9f75e09b7e8a047f743acca719154dcaf8cadfcbc478144fbea111cb7be

  • SHA512

    17db88e1651c3372723332b9f87fb82f93044f3af9d7d231525272d8df4cea77584ba7de8f4eab6d3ac8d7de9a3b737c25fbf7efdfdf981c73444b846b16fd3c

  • SSDEEP

    12288:GcUK2FHCXwpnsKvNA+XTvZHWuEo3oWbvrec:GlLZpsKv2EvZHp3oWbvrec

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      8f20d9f75e09b7e8a047f743acca719154dcaf8cadfcbc478144fbea111cb7be

    • Size

      1.2MB

    • MD5

      de74528baa061dd8d2137b890a3b0faa

    • SHA1

      49f1bb45f3f0aced708cfaf9b5fd83c188032d23

    • SHA256

      8f20d9f75e09b7e8a047f743acca719154dcaf8cadfcbc478144fbea111cb7be

    • SHA512

      17db88e1651c3372723332b9f87fb82f93044f3af9d7d231525272d8df4cea77584ba7de8f4eab6d3ac8d7de9a3b737c25fbf7efdfdf981c73444b846b16fd3c

    • SSDEEP

      12288:GcUK2FHCXwpnsKvNA+XTvZHWuEo3oWbvrec:GlLZpsKv2EvZHp3oWbvrec

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks